Data
44,349 items of data are available, covering 44,349 participants.
Some values have special meanings defined by Data-Coding
819.
| Maximum | 2021-09-30 |
| Decile 9 | 2017-09-04 |
| Decile 8 | 2015-03-20 |
| Decile 7 | 2013-05-31 |
| Decile 6 | 2011-11-28 |
| Median | 2009-06-03 |
| Decile 4 | 2006-05-23 |
| Decile 3 | 2004-03-18 |
| Decile 2 | 2000-06-08 |
| Decile 1 | 1994-06-24 |
| Minimum | 1948-07-05 |
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- There are 9459 distinct values.
- Mean = 2007-10-25
- 101 items below graph minimum of 1971-04-13
- 51 items have value 1902-02-02 (Code has event date matching participant's date of birth)
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Notes
Date of the first occurrence of any code mapped to 3-character ICD10 F17. The code corresponds to "mental and behavioural disorders due to use of tobacco". Note that events which were apparently before birth were omitted when constructing this data field.
Coding 819 defines 5 special values:
- 1900-01-01 represents "Code has no event date"
- 1901-01-01 represents "Code has event date before participant's date of birth"
- 1902-02-02 represents "Code has event date matching participant's date of birth"
- 1903-03-03 represents "Code has event date after participant's date of birth and falls in the same calendar year as date of birth"
- 2037-07-07 represents "Code has event date in the future and is presumed to be a place-holder or other system default"
1 Related Data-Fields
| Field ID | Description | Relationship |
|---|
| 130869 | Source of report of F17 (mental and ... | Field 130869 indicates the source of the outcome first reported in Current Field. |
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